单词：
单词： 相关文章
第五章 男性生殖系统 Chapter 5 Male Reproductive System ampulla ductus deferentis 输精管壶腹 anterior urethra 前尿道 base of porstate 前列腺底 body of penis 阴茎体 body of prostate 前列腺体 bulb of urethra 尿道球 bulbourethral gland 尿道球腺 cavernou
医学英语
By Mario Ritter Broadcast: August 12, 2003 This is Bill White with the VOA Special English Agriculture Report. We often think of agriculture as planting seeds and harvesting crops. But many crops do n
VOA2003（下）-农业与经济
This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important
VOA慢速英语2007年（一）月
[00:00.00]Motorcycles and City Traff [00:03.81]Past surveys have shown that the use of motorcycles is becoming more and more widespread in China in recent year [00:12.51]In 1993,for instance,there were about 40,000 registered motorcycles in Shangha [
英语六级听力练习集锦
AGRICULTURE REPORT - For Eating or Looking: Wild About CherriesBy Mario Ritter Broadcast: Tuesday, March 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There is something ha
2006年慢速英语（三）月
Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf
2010年VOA慢速英语(五)月